PUBLICATIONS

In recent years, fault tolerance has become one of the most interesting topics because the open-switch faults rise to unbalance of

the AC input currents and unable to control DC-link voltage that can cause serious damage to the connected application. This paper

proposes a model predictive direct power control (MPDPC) method to tolerance control using a neutral point clamped (NPC) 

topology in a switch fault situation. This method uses the cost function concerning active power and reactive power to select a 

voltage vector and can detect the open-switch fault without using additional devices or complex calculations. Simulations are

carried out to confirm ​ the reliability of the proposed fault-detection method.